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Dataset Title:	Bering AFSC Pollock Survey GTS data sd1046
Institution:	Saildrone (Dataset ID: sd1046)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Make a graph

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Variable

Optional
Constraint #1

Optional
Constraint #2

Minimum

or a List of Values

Maximum

trajectory (Trajectory/Drone ID)

latitude (degrees_north)

37.7661536

58.150752

longitude (degrees_east)

-167.7784448

-122.3036032

time (time in seconds, UTC)

2020-05-22T23:00:00Z

2020-10-28T17:45:00Z

WIND_SPEED_MEAN (Wind speed, m s-1)

0.07

16.8

WIND_FROM_MEAN (Wind from, degree)

0.0

359.9

TEMP_AIR_MEAN (Air temperature, degree_C)

7.29

20.26

RH_MEAN (Relative humidity, percent)

56.25

100.0

BARO_PRES_MEAN (Air pressure, hPa)

986.04

1036.73

TEMP_SBE37_MEAN (Seawater temperature, degree_C)

6.8281

20.1877

Server-side Functions

distinct()

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  trajectory {
    Float32 _FillValue NaN;
    Float32 actual_range 1046.0, 1046.0;
    String cf_role "trajectory_id";
    String comment "A trajectory is a single deployment of a drone";
    String gts_ingest "true";
    String long_name "Trajectory/Drone ID";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 37.7661536, 58.150752;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String device_name "VectorNav Hull IMU (100037713)";
    String gts_ingest "true";
    String installed_date "2019-03-12T23:37:32.694415Z";
    Float64 installed_height 0.34;
    String ioos_category "Location";
    String long_name "Latitude";
    String model_name "VN-300";
    String model_product_page "https://www.vectornav.com/products/vn-300";
    String nominal_sampling_schedule "Always on";
    String serial_number "100037713";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 update_period 50.0;
    String vendor_name "VectorNav";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -167.7784448, -122.3036032;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String device_name "VectorNav Hull IMU (100037713)";
    String gts_ingest "true";
    String installed_date "2019-03-12T23:37:32.694415Z";
    Float64 installed_height 0.34;
    String ioos_category "Location";
    String long_name "Longitude";
    String model_name "VN-300";
    String model_product_page "https://www.vectornav.com/products/vn-300";
    String nominal_sampling_schedule "Always on";
    String serial_number "100037713";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 update_period 50.0;
    String vendor_name "VectorNav";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.5901884e+9, 1.6039071e+9;
    String axis "T";
    String calendar "gregorian";
    String gts_ingest "true";
    String ioos_category "Time";
    String long_name "time in seconds";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  WIND_SPEED_MEAN {
    Float64 _FillValue NaN;
    Float64 actual_range 0.07, 16.8;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    String device_name "Gill Anemometer (W181438)";
    String gts_ingest "true";
    String installed_date "2019-05-30T17:45:35.476217Z";
    Float64 installed_height 5.2;
    String last_calibrated "2018-04-23";
    String long_name "Wind speed";
    String model_name "1590-PK-020";
    String model_product_page "http://gillinstruments.com/products/anemometer/windmaster.htm";
    String nominal_sampling_schedule "60s on, 240s off, centered at :00";
    String serial_number "W181438";
    String standard_name "wind_speed";
    String units "m s-1";
    Float64 update_period 50.0;
    String vendor_name "Gill";
  }
  WIND_FROM_MEAN {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 359.9;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String device_name "Gill Anemometer (W181438)";
    String gts_ingest "true";
    String installed_date "2019-05-30T17:45:35.476217Z";
    Float64 installed_height 5.2;
    String last_calibrated "2018-04-23";
    String long_name "Wind from";
    String model_name "1590-PK-020";
    String model_product_page "http://gillinstruments.com/products/anemometer/windmaster.htm";
    String nominal_sampling_schedule "60s on, 240s off, centered at :00";
    String serial_number "W181438";
    String standard_name "wind_from_direction";
    String units "degree";
    Float64 update_period 50.0;
    String vendor_name "Gill";
  }
  TEMP_AIR_MEAN {
    Float64 _FillValue NaN;
    Float64 actual_range 7.29, 20.26;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    String device_name "Rotronic AT/RH (0020208896)";
    String gts_ingest "true";
    String installed_date "2019-05-30T17:45:13.749463Z";
    Float64 installed_height 2.3;
    String last_calibrated "2017-09-29";
    String long_name "Air temperature";
    String model_name "HC2-S3";
    String nominal_sampling_schedule "60s on, 240s off, centered at :00";
    String serial_number "0020208896";
    String standard_name "air_temperature";
    String units "degree_C";
    Float64 update_period 1000.0;
    String vendor_name "Rotronic";
  }
  RH_MEAN {
    Float64 _FillValue NaN;
    Float64 actual_range 56.25, 100.0;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String device_name "Rotronic AT/RH (0020208896)";
    String gts_ingest "true";
    String installed_date "2019-05-30T17:45:13.749463Z";
    Float64 installed_height 2.3;
    String last_calibrated "2017-09-29";
    String long_name "Relative humidity";
    String model_name "HC2-S3";
    String nominal_sampling_schedule "60s on, 240s off, centered at :00";
    String serial_number "0020208896";
    String standard_name "relative_humidity";
    String units "percent";
    Float64 update_period 1000.0;
    String vendor_name "Rotronic";
  }
  BARO_PRES_MEAN {
    Float64 _FillValue NaN;
    Float64 actual_range 986.04, 1036.73;
    Float64 colorBarMaximum 1050.0;
    Float64 colorBarMinimum 950.0;
    String device_name "Vaisala Barometer (5240530)";
    String gts_ingest "true";
    String installed_date "2019-09-24T17:21:08.020106Z";
    Float64 installed_height 0.2;
    String last_calibrated "2018-01-02";
    String long_name "Air pressure";
    String model_name "PTB210";
    String model_product_page "http://www.vaisala.com/en/products/pressure/Pages/PTB210.aspx";
    String nominal_sampling_schedule "60s on, 240s off, centered at :00";
    String serial_number "5240530";
    String standard_name "air_pressure";
    String units "hPa";
    Float64 update_period 1000.0;
    String vendor_name "Vaisala";
  }
  TEMP_SBE37_MEAN {
    Float64 _FillValue NaN;
    Float64 actual_range 6.8281, 20.1877;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String device_name "Sea-Bird Scientific Conductivity/Temp/ODO (20849)";
    String installed_date "2020-05-05T17:28:56.729868Z";
    Float64 installed_height -0.5;
    String last_calibrated "2019-05-22";
    String long_name "Seawater temperature";
    String model_name "SBE37-SMP-ODO Microcat";
    String nominal_sampling_schedule "12s on, 588s off, centered at :00";
    String serial_number "20849";
    String standard_name "sea_water_temperature";
    String units "degree_C";
    Float64 update_period 1000.0;
    String vendor_name "Sea-Bird Scientific";
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.6.3,hdf5=1.10.2";
    String area "Bering Sea";
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "trajectory";
    String Conventions "CF-1.6, ACDD-1.3, COARDS";
    String creator_email "support@saildrone.com";
    String creator_name "Saildrone";
    String creator_url "https://saildrone.com/";
    String data_mode "realtime";
    String date_created "2020-08-24T13:30:13.172742Z";
    String description "Saildrone NetCDF Format";
    String drone_id "1046";
    Float64 Easternmost_Easting -122.3036032;
    String featureType "Trajectory";
    Float64 geospatial_lat_max 58.150752;
    Float64 geospatial_lat_min 37.7661536;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -122.3036032;
    Float64 geospatial_lon_min -167.7784448;
    String geospatial_lon_units "degrees_east";
    String gts_ingest "true";
    String history 
"Saildrone
2024-11-23T21:12:51Z (local files)
2024-11-23T21:12:51Z https://data.pmel.noaa.gov/generic/erddap/tabledap/sd1046.html";
    String id "123948";
    String infoUrl "https://saildrone.com/";
    String institution "Saildrone";
    Float64 interval 900.0;
    String keywords "afsc, air, air_pressure, air_temperature, alaska, atmosphere, atmospheric, BARO_PRES_MEAN, BARO_PRES_STDDEV, bering, center, data, density, direction, dominant, downward, downward_air_velocity, drone, earth, Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements, Earth Science > Atmosphere > Atmospheric Pressure > Sea Level Pressure, Earth Science > Atmosphere > Atmospheric Pressure > Static Pressure, Earth Science > Atmosphere > Atmospheric Temperature > Air Temperature, Earth Science > Atmosphere > Atmospheric Temperature > Surface Air Temperature, Earth Science > Atmosphere > Atmospheric Water Vapor > Humidity, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Ocean Waves > Significant Wave Height, Earth Science > Oceans > Ocean Waves > Wave Period, Earth Science > Oceans > Ocean Waves > Wave Spectra, Earth Science > Oceans > Salinity/Density > Salinity, eastward, eastward_wind, environmental, filtered, fisheries, global, gts, gust, GUST_WND_MEAN, GUST_WND_STDDEV, height, humidity, laboratory, latitude, level, longitude, marine, maximum, measurement, measurements, nmfs, noaa, northward, northward_wind, ocean, oceans, pacific, period, pmel, pollock, practical, pressure, relative, relative_humidity, RH_MEAN, RH_STDDEV, rms, saildrone, SAL_SBE37_MEAN, salinity, science, sea, sea_surface_skin_temperature, sea_surface_wave_period_at_variance_spectral_density_maximum, sea_surface_wave_significant_height, sea_water_practical_salinity, sea_water_temperature, seawater, seconds, significant, skin, spectra, spectral, speed, static, surface, survey, system, telecommunications, TEMP_AIR_MEAN, TEMP_AIR_STDDEV, TEMP_CTD_RBR_MEAN, TEMP_CTD_RBR_STDDEV, TEMP_IR_SEA_WING_UNCOMP_MEAN, TEMP_IR_SEA_WING_UNCOMP_STDDEV, TEMP_SBE37_MEAN, TEMP_SBE37_STDDEV, temperature, time, trajectory, trajectory/drone, UWND_MEAN, UWND_STDDEV, vapor, variance, velocity, VWND_MEAN, VWND_STDDEV, water, wave, WAVE_DOMINANT_PERIOD, WAVE_SIGNIFICANT_HEIGHT, waves, wind, wind_from_direction, WIND_FROM_MEAN, WIND_FROM_STDDEV, wind_measurement_height_filtered, WIND_MEASUREMENT_HEIGHT_MEAN, wind_measurement_height_rms, WIND_MEASUREMENT_HEIGHT_STDDEV, wind_speed, WIND_SPEED_MEAN, wind_speed_of_gust, WIND_SPEED_STDDEV, winds, wing, WWND_MEAN, WWND_STDDEV";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "2019 © SAILDRONE Inc.  All Rights Reserved.  These Data and any resultant Product are the property of SAILDRONE.  At SAILDRONE's sole discretion, these Data may be used for research or educational activities only. You may not use, share or sell the Data for any other purpose including for commercial purposes, or alternatively, have any unauthorized third party use or sell the Data, either for any research, educational and/or commercial purpose(s), without the express prior consent of SAILDRONE.";
    String naming_authority "com.saildrone";
    String NCO "netCDF Operators version 4.7.5 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco)";
    String netcdf_version "4.6.3";
    String nodc_template_version "NODC_NetCDF_Trajectory_Template_v2.0";
    Float64 Northernmost_Northing 58.150752;
    String platform "Saildrone";
    String project "bering_afsc_pollock_survey_2020";
    String source "Saildrone";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 37.7661536;
    String standard_name_vocabulary "CF Standard Name Table v58";
    String subsetVariables "trajectory";
    String summary "The Bering Alaska Fisheries Science Center (AFSC) Pollock Survey mission is a Public-Private Partnership between Saildrone and the following research institutions: NOAA and Pacific Marine Environmental Laboratory (PMEL). The primary goals for this mission is to mitigate the potential loss of survey information ordinarily collected with ships by providing an acoustic estimate of pollock abundance for use in fisheries management.";
    String testOutOfDate "now-2days";
    String time_coverage_duration "PT59M59S";
    String time_coverage_end "2020-10-28T17:45:00Z";
    String time_coverage_resolution "PT15M";
    String time_coverage_start "2020-05-22T23:00:00Z";
    String time_in "minutes";
    String title "Bering AFSC Pollock Survey GTS data sd1046";
    Float64 Westernmost_Easting -167.7784448;
    String wmo_platform_code "1801566";
  }
}

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tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link)

Data Access Protocol (DAP) (external link)

and its selection constraints (external link)

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

(easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
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Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.

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